A developer wrote this code to calculate GB-seconds: total_gb_seconds = invocations * execution_time_ms * memory_mb. What is wrong with this calculation?

medium📝 Debug Q6 of 15

GCP - Cloud Functions

ANothing is wrong

BMemory should be in MB, not GB

CInvocations should be divided by 1000

DExecution time should be in seconds, not milliseconds

Step-by-Step Solution

Solution:

Step 1: Check units for execution time
Execution time must be in seconds for GB-seconds calculation, not milliseconds.
Step 2: Verify memory units
Memory should be converted from MB to GB by dividing by 1024 or 1000 depending on context.
Final Answer:
Execution time should be in seconds, not milliseconds -> Option D
Quick Check:
Convert ms to seconds before multiplying [OK]

Quick Trick: Always convert ms to seconds before calculating GB-seconds [OK]

Common Mistakes:

Using milliseconds directly in calculation
Confusing MB and GB units
Not converting units consistently

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A developer wrote this code to calculate GB-seconds: total_gb_seconds = invocations * execution_time_ms * memory_mb. What is wrong with this calculation?

Step 1: Check units for execution time

Step 2: Verify memory units

Final Answer:

Quick Check:

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